In February of 1962, the United States put John Glenn into orbit. This prompted Soviet leadership to suddenly asked Chief Designer Korolev to launch the next space spectacular promptly. To make this mission truly spectacular the Soviets decided to launch a group flight of two Vostoks lasting up to four days in orbit.

When the 20 Cosmonaut candidates were asked to anonymously vote for which candidate they would like to see fly first, all but three chose Gagarin. The consensus was, Gagarin was very focused, and demanding of himself and others when necessary.